EP3833700A1 - Polyurethanzusammensetzung mit polymerem weichmacher und niedrigem gehalt an monomeren diisocyanaten - Google Patents
Polyurethanzusammensetzung mit polymerem weichmacher und niedrigem gehalt an monomeren diisocyanatenInfo
- Publication number
- EP3833700A1 EP3833700A1 EP19746105.6A EP19746105A EP3833700A1 EP 3833700 A1 EP3833700 A1 EP 3833700A1 EP 19746105 A EP19746105 A EP 19746105A EP 3833700 A1 EP3833700 A1 EP 3833700A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- polyurethane composition
- polyether
- weight
- moisture
- groups
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 151
- 239000004814 polyurethane Substances 0.000 title claims abstract description 79
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 77
- 125000005442 diisocyanate group Chemical group 0.000 title claims abstract description 59
- 239000004014 plasticizer Substances 0.000 title claims abstract description 14
- 229920000570 polyether Polymers 0.000 claims abstract description 78
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 74
- 229920000642 polymer Polymers 0.000 claims abstract description 65
- 238000013008 moisture curing Methods 0.000 claims abstract description 51
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 48
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000006243 chemical reaction Methods 0.000 claims abstract description 31
- 238000001723 curing Methods 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims abstract description 24
- 229920005862 polyol Polymers 0.000 claims abstract description 21
- 150000003077 polyols Chemical class 0.000 claims abstract description 21
- 238000000576 coating method Methods 0.000 claims abstract description 13
- 239000011248 coating agent Substances 0.000 claims abstract description 11
- -1 1, 2-propyleneoxy groups Chemical group 0.000 claims description 69
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 39
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims description 26
- 239000000758 substrate Substances 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 17
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical group CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 15
- 238000004026 adhesive bonding Methods 0.000 claims description 12
- 239000003054 catalyst Substances 0.000 claims description 11
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 11
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 8
- 239000000945 filler Substances 0.000 claims description 7
- 238000005227 gel permeation chromatography Methods 0.000 claims description 7
- 239000012948 isocyanate Substances 0.000 claims description 7
- 150000002513 isocyanates Chemical class 0.000 claims description 7
- 150000002148 esters Chemical class 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 4
- 239000004793 Polystyrene Substances 0.000 claims description 4
- 229920002223 polystyrene Polymers 0.000 claims description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 4
- 238000011156 evaluation Methods 0.000 claims description 3
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 3
- RUELTTOHQODFPA-UHFFFAOYSA-N toluene 2,6-diisocyanate Chemical compound CC1=C(N=C=O)C=CC=C1N=C=O RUELTTOHQODFPA-UHFFFAOYSA-N 0.000 claims description 3
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 claims description 2
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 claims description 2
- 239000004615 ingredient Substances 0.000 claims description 2
- 238000005304 joining Methods 0.000 claims description 2
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 claims 1
- 239000000853 adhesive Substances 0.000 abstract description 12
- 230000001070 adhesive effect Effects 0.000 abstract description 12
- 239000000565 sealant Substances 0.000 abstract description 10
- 239000013013 elastic material Substances 0.000 abstract description 3
- 229920001451 polypropylene glycol Polymers 0.000 description 32
- 150000001875 compounds Chemical class 0.000 description 20
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 15
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 15
- 150000002009 diols Chemical class 0.000 description 15
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 12
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
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- 239000002184 metal Substances 0.000 description 9
- 238000003860 storage Methods 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 239000005058 Isophorone diisocyanate Substances 0.000 description 8
- 150000001412 amines Chemical class 0.000 description 8
- 238000004821 distillation Methods 0.000 description 8
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 7
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 7
- 239000012298 atmosphere Substances 0.000 description 7
- 239000000470 constituent Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 6
- 239000005977 Ethylene Substances 0.000 description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 150000004072 triols Chemical class 0.000 description 6
- 239000003981 vehicle Substances 0.000 description 6
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 5
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical compound ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000002981 blocking agent Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 239000011541 reaction mixture Substances 0.000 description 5
- 229910052725 zinc Inorganic materials 0.000 description 5
- 239000011701 zinc Substances 0.000 description 5
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 4
- YIWUKEYIRIRTPP-UHFFFAOYSA-N 2-ethylhexan-1-ol Chemical compound CCCCC(CC)CO YIWUKEYIRIRTPP-UHFFFAOYSA-N 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical group OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 4
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 4
- 239000004952 Polyamide Substances 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 4
- XXROGKLTLUQVRX-UHFFFAOYSA-N allyl alcohol Chemical compound OCC=C XXROGKLTLUQVRX-UHFFFAOYSA-N 0.000 description 4
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 239000004568 cement Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 125000004185 ester group Chemical group 0.000 description 4
- 230000007717 exclusion Effects 0.000 description 4
- BXWNKGSJHAJOGX-UHFFFAOYSA-N hexadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 description 4
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920002647 polyamide Polymers 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 229960004063 propylene glycol Drugs 0.000 description 4
- 235000013772 propylene glycol Nutrition 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- HLZKNKRTKFSKGZ-UHFFFAOYSA-N tetradecan-1-ol Chemical compound CCCCCCCCCCCCCCO HLZKNKRTKFSKGZ-UHFFFAOYSA-N 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 description 3
- PLFFHJWXOGYWPR-HEDMGYOXSA-N (4r)-4-[(3r,3as,5ar,5br,7as,11as,11br,13ar,13bs)-5a,5b,8,8,11a,13b-hexamethyl-1,2,3,3a,4,5,6,7,7a,9,10,11,11b,12,13,13a-hexadecahydrocyclopenta[a]chrysen-3-yl]pentan-1-ol Chemical compound C([C@]1(C)[C@H]2CC[C@H]34)CCC(C)(C)[C@@H]1CC[C@@]2(C)[C@]4(C)CC[C@@H]1[C@]3(C)CC[C@@H]1[C@@H](CCCO)C PLFFHJWXOGYWPR-HEDMGYOXSA-N 0.000 description 3
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- 229940035437 1,3-propanediol Drugs 0.000 description 3
- ZMSQJSMSLXVTKN-UHFFFAOYSA-N 4-[2-(2-morpholin-4-ylethoxy)ethyl]morpholine Chemical compound C1COCCN1CCOCCN1CCOCC1 ZMSQJSMSLXVTKN-UHFFFAOYSA-N 0.000 description 3
- VLJQDHDVZJXNQL-UHFFFAOYSA-N 4-methyl-n-(oxomethylidene)benzenesulfonamide Chemical compound CC1=CC=C(S(=O)(=O)N=C=O)C=C1 VLJQDHDVZJXNQL-UHFFFAOYSA-N 0.000 description 3
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- UNXHWFMMPAWVPI-UHFFFAOYSA-N Erythritol Natural products OCC(O)C(O)CO UNXHWFMMPAWVPI-UHFFFAOYSA-N 0.000 description 3
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
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- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 3
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- 239000004359 castor oil Substances 0.000 description 3
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- 230000000052 comparative effect Effects 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 239000010408 film Substances 0.000 description 3
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Classifications
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
- C08G18/753—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
- C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
- C08G18/7621—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring being toluene diisocyanate including isomer mixtures
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/08—Polyurethanes from polyethers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/08—Polyurethanes from polyethers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2150/00—Compositions for coatings
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2170/00—Compositions for adhesives
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2190/00—Compositions for sealing or packing joints
Definitions
- the invention relates to moisture-curing polyurethane compositions and their use as elastic adhesives, sealants and coatings.
- Polyurethane compositions which crosslink by reaction of isocyanate groups with moisture or water and thereby cure to form elastomers are used in particular as elastic adhesives, sealants or coatings in the construction and manufacturing industry, for example for gluing components in assembly, for filling joints, as floor coating or as roof sealing. Due to their good adhesion and elasticity, they can gently dampen and bridge forces acting on the substrates, for example caused by vibrations or temperature fluctuations.
- Such polyurethane compositions contain, as binders, conventional isocyanate group-containing polymers which are produced by reacting polyols with monomeric diisocyanates. As a result of chain extension reactions, the polymers obtained in this way contain a residual monomeric diisocyanate content, typically in the range from 1 to 3% by weight. Monomeric diisocyanates are potentially harmful to health. Preparations containing monomeric diisocyanates must contain danger symbols and warnings on the label and in the data sheets, in particular from a concentration of 0.1% by weight, and can only be sold and used under certain conditions in some countries.
- EP 1, 746,117 describes a process for the preparation of prepolymers containing isocyanate groups.
- low-monomer NCO prepolymers from the reaction of 4,4'-diphenylmethane diisocyanate and diols or triols and distillation of the excess 4,4'-diphenylmethane diisocyanate are prepared and compared with NCO prepolymers which are produced without distilling off monomeric isocyanate, for which purpose 2,4'-diphenylmethane diisocyanate is more suitable instead of the 4,4'-isomer.
- the prepolymers described can be used to produce moisture-curing sealants or adhesives. There is no further information on how such sealants or adhesives are advantageously formulated.
- the compositions described contain conventionally produced polyurethane polymers and have a high content of monomeric diisocyanates.
- the object of the present invention is therefore to provide moisture-curing polyurethane compositions with a low content of monomeric diisocyanates, which overcome the disadvantages of the prior art.
- the object is achieved with the moisture-curing polyurethane composition according to claim 1. It contains at least one isocyanate group-containing polyether urethane polymer with a low content of monomeric diisocyanates and at least one oligomeric mono- or polyol with blocked hydroxyl groups as plasticizers.
- the composition according to the invention has a monomeric diisocyanate content of less than 0.1%; she is with it Safe to use, even without special protective measures, and can be sold in many countries without hazard labeling.
- the composition according to the invention has a rapid curing speed with a long open time (skin formation time) and, after curing, a high tensile strength and elasticity, which is very advantageous for many applications.
- the polyurethane composition according to the invention shows faster curing with the same open time, and with a consistently high extensibility and Shore hardness, a higher tensile strength compared to corresponding compositions with conventional plasticizers and compared with corresponding compositions with high Content of monomeric diisocyanates.
- the moisture-curing polyurethane composition according to the invention is exceptionally stable in storage in the absence of moisture, is easy to process and has a long open time with rapid curing. This creates an elastic material with high tensile strength with high elasticity, high cold flexibility, good adhesion properties and high stability against heat and moisture.
- the moisture-curing polyurethane composition is particularly suitable for use as an elastic adhesive, elastic sealant or elastic coating.
- the invention relates to a moisture-curing polyurethane composition containing at most 0.1% by weight of monomeric diisocyanates
- “Monomeric diisocyanate” is an organic compound with two isocyanate groups that are separated by a divalent hydrocarbon radical with 4 to 15 carbon atoms.
- a “polyether urethane polymer” is a polymer that contains ether groups as repeating units and also contains urethane groups.
- Substance names such as polyol beginning with “poly” refer to substances that formally contain two or more of the functional groups in their name per molecule.
- a “blocked hydroxyl group” refers to a hydroxyl group converted by chemical reaction into a group that is not reactive towards isocyanate groups.
- a “plasticizer” is a substance that is liquid at room temperature, which remains unchanged after the composition has hardened and softens the hardened composition.
- the “NCO content” is the content of isocyanate groups in% by weight.
- the “molecular weight” is the molar mass (in grams per mole) of a molecule or a molecule residue.
- the “average molecular weight” is the number average molecular weight (M n ) of a polydisperse mixture of oligomeric or polymeric molecules or molecule residues. It is determined by means of gel permeation chromatography (GPC) against polystyrene as the standard, in particular with tetrahydrofuran as the mobile phase, refractive index detector and evaluation from 200 g / mol.
- a substance or a composition is said to be “stable in storage” or “storable” if it can be stored at room temperature in a suitable container for a longer period of time, typically for at least 3 months to 6 months and more, without it they are in their Application or use properties changed by storage to an extent relevant to their use.
- room temperature A temperature of 23 ° C is referred to as "room temperature”.
- the isocyanate group-containing polyether urethane polymer according to claim 1 can also be referred to as a polyurethane prepolymer.
- the polyether urethane polymer containing isocyanate groups preferably has a monomeric diisocyanate content of at most 0.3% by weight, in particular at most 0.2% by weight.
- the isocyanate group-containing polyether urethane polymer preferably has an average molecular weight M n in the range from 1,500 to 20,000 g / mol, preferably 2,500 to 15,000 g / mol, in particular 3,500 to 10,000 g / mol.
- the polyether urethane polymer containing isocyanate groups preferably has an NCO content in the range from 0.5 to 6% by weight, particularly preferably 0.6 to 4% by weight, more preferably 1 to 3% by weight, in particular 1.2 to 2.5% by weight.
- the isocyanate group-containing polyether urethane polymer preferably has 1, 2-ethyleneoxy, 1, 2-propyleneoxy, 1, 3-propyleneoxy, 1, 2-butyleneoxy or 1, 4-butyleneoxy groups as repeating units. 1,2-Ethyleneoxy and 1,2-propyleneoxy groups are preferred.
- repeating units have mostly or exclusively 1, 2-propyleneoxy groups.
- a particularly preferred polyether urethane polymer containing isocyanate groups has 80 to 100% by weight of 1,2-propyleneoxy groups and 0 to 20% by weight of 1,2-ethyleneoxy groups in the polyether segment.
- 1,2-ethyleneoxy groups are also present
- the 1,2-propyleneoxy groups and the 1,2-ethyleneoxy groups in particular each form homogeneous blocks and the poly (1,2-ethyleneoxy) -Blocks are on the chain ends.
- Such a polymer enables moisture-curing polyurethane compositions with particularly rapid curing and particularly good flash stability.
- the preferred isocyanate group-containing polyether urethane polymers enable high-quality, easily processable moisture-curing polyurethane compositions with high strength, elasticity and elasticity.
- Suitable monomeric diisocyanates are commercially available aromatic or aliphatic diisocyanates, such as in particular 4,4'-diphenylmethane diisocyanate, optionally with proportions of 2,4'- and / or 2,2'-diphenylmethane diisocyanate (MDI), 2,4-tolylene diisocyanate or mixtures thereof with 2,6-tolylene diisocyanate (TDI), 1,4-phenylene diisocyanate (PDI), naphthalene-1,5-diisocyanate (NDI), 1,6-flexane diisocyanate (HDI), 2,2 (4), 4- Trimethyl-1, 6-hexamethylene diisocyanate (TMDI), cyclohexane-1, 3- or -1, 4-diisocyanate, 1-isocyanato-3,3,5-trimethyl-5-isocyanatomethylcyclohexane (isophorone diisocyanate or IPDI), perhydro-2
- the monomeric diisocyanate used for the reaction is preferably 4,4'-diphenylmethane diisocyanate (4,4'-MDI), 2,4-tolylene diisocyanate or mixtures thereof with 2,6-tolylene diisocyanate (TDI), 1-isocyanato-3,3, 5-trimethyl-5-isocyanateethylcyclohexane (IPDI) or 1,6-flexane diisocyanate (HDI).
- 4,4'-MDI is particularly preferred.
- the 4,4'-MDI is of a quality which contains only small amounts of 2,4'- and / or 2,2'-diphenylmethane diisocyanate and is solid at room temperature. It enables moisture-curing polyurethane compositions with particularly fast curing and particularly high strength with high ductility and elasticity.
- the 4,4'-MDI is preferably distilled and has a purity of at least 95%, in particular at least 97.5%.
- a commercially available 4,4'-diphenylmethane diisocyanate of this quality is, for example, Desmodur ® 44 MC (from Covestro) or Lupranat ® MRSS or ME (from BASF) or Suprasec ® 1400 (from Fluntsman).
- IPDI 1-isocyanato-3,3,5-trimethyl-5-isocyanato-methylcyclohexane
- the polyether polyol preferably has an average molecular weight M n in the range from 1 ⁇ 00 to 15 ⁇ 00 g / mol, particularly preferably 1 '500 to 12 ⁇ 00 g / mol, in particular 2 ⁇ 00 to 8 ⁇ 00 g / mol.
- the polyether polyol preferably has an OFI number in the range from 8 to 1 12 mg KOFI / g, particularly preferably in the range from 10 to 75 mg KOFI / g, in particular in the range from 12 to 56 mg KOFI / g.
- the polyether polyol preferably has an average OFH functionality in the range from 1.7 to 3.
- Suitable polyether polyols are polyoxyalkylene diols and / or polyoxyalkylene triols, in particular polymerization products of ethylene oxide or 1, 2-propylene oxide or 1, 2- or 2,3-butylene oxide or oxetane or tetrahydrofuran or mixtures thereof, these using a starter molecule two or three active hydrogen atoms can be polymerized, in particular one Starter molecule such as water, ammonia or a compound with several OH or NH groups such as 1, 2-ethanediol, 1, 2- or 1, 3-propanediol, neopentyl glycol, diethylene glycol, triethylene glycol, the isomeric dipropylene glycols or tripropylene glycols, the isomeric butanediols, pentanediols, hexanediols, heptanediols, octanediols, nonaned
- Polyoxypropylene diols, polyoxypropylene triols, or ethylene oxide-terminated polyoxypropylene diols or triols are particularly preferred. These are polyoxyethylene-polyoxypropylene mixed polyols, which are obtained in particular by further alkoxylating polyoxypropylene diols or triols with ethylene oxide after the polypropoxylation reaction has ended and as a result ultimately having primary hydroxyl groups.
- Preferred polyether polyols have a degree of unsaturation of less than 0.02 meq / g, in particular less than 0.01 meq / g.
- a polyoxypropylene diol with an OH number in the range from 8 to 112 mg KOH / g, preferably in the range from 10 to 75 mg KOH / g, in particular in the range from 12 to 56 mg KOH / g.
- the NCO / OH ratio in the reaction between the monomeric diisocyanate and the polyether polyol is preferably in the range from 3/1 to 10/1, particularly preferably in the range from 3/1 to 8/1, in particular in the range from 4/1 to 1.7.
- the reaction is preferably carried out with exclusion of moisture at a temperature in the range from 20 to 160 ° C., in particular 40 to 140 ° C., if appropriate in the presence of suitable catalysts.
- the monomeric diisocyanate remaining in the reaction mixture is removed by means of a suitable separation process except for the residual content described.
- a preferred method of separation is a distillation process, in particular thin-film distillation or short-path distillation, preferably with the application of a vacuum.
- a multi-stage process is particularly preferred in which the monomeric diisocyanate is removed in a short-path evaporator at a jacket temperature in the range from 120 to 200 ° C and a pressure of 0.001 to 0.5 mbar.
- the jacket temperature is preferably in the range from 160 to 200 ° C. at 0.001 to 0.5 mbar and the removed monomer is condensed at a temperature in the range from 40 to 60 ° C.
- the jacket temperature is preferably in the range from 140 to 180 ° C.
- reaction of the monomeric diisocyanate with the polyether polyol and the subsequent removal of the majority of the monomeric diisocyanate remaining in the reaction mixture are preferably carried out without the use of solvents or entraining agents.
- the monomeric diisocyanate removed after the reaction is preferably subsequently reused, i.e. used again for the production of polyether urethane polymer containing isocyanate groups.
- the OFI groups of the polyether polyol react with the isocyanate groups of the monomeric diisocyanate.
- chain extension reactions also occur, in which OFI groups and / or isocyanate groups of reaction products between the polyol and the monomeric React diisocyanate.
- a measure of the chain extension reaction is the average molecular weight of the polymer or the width and distribution of the peaks in the GPC analysis.
- a further measure is the effective NCO content of the monomer-free polymer in relation to the theoretical NCO content calculated from the reaction of each OH group with a monomeric diisocyanate.
- the NCO content of the polyether urethane polymer is preferably at least 80%, in particular at least 85%, of the theoretical NCO content, which is calculated from the addition of one mole of monomeric diisocyanate per mole of OH groups of the polyether polyol.
- Such a polyether urethane polymer is particularly low-viscosity and enables moisture-curing polyurethane compositions with particularly good application properties.
- a particularly preferred polyether urethane polymer has an NCO content in the range from 1 to 2.5% by weight, in particular 1.1 to 2.1% by weight, and a content of monomeric diisocyanates of at most 0.3% by weight, in particular at most 0.2% by weight, and is obtained from the reaction of 4,4'-MDI or IPDI with an optionally ethylene oxide-terminated polyoxypropylene triol with an average OH functionality in the range from 2.2 to 3, preferably 2.2 to 2.8, in particular 2.2 to 2.6, and one OH number in the range from 20 to 42 mg KOH / g, in particular in the range from 22 to 35 mg KOH / g.
- Such a polymer enables a particularly attractive combination of low viscosity, long open time with fast curing and high ductility and elasticity and high strength.
- Another particularly preferred polyether urethane polymer has an NCO content in the range from 0.8 to 2.4% by weight, in particular 1.2 to 2.1% by weight, and a content of monomeric diisocyanates of at most 0.3% by weight, in particular at most 0.2% by weight. %, and is obtained from the reaction of 4,4'-MDI with a polyoxypropylene diol with an OFI number in the Range from 13 to 38 mg KOH / g, especially 22 to 32 mg KOH / g.
- Such a polymer is particularly low-viscosity and is particularly suitable for combination with an isocyanate group-containing compound with an NCO functionality of at least 2.2, in particular an oligomeric isocyanate or a corresponding isocyanate group-containing polymer. It enables a particularly high degree of stretch and elasticity.
- the moisture-curing polyurethane composition preferably contains 10 to 90% by weight, particularly preferably 15 to 80% by weight, in particular 20 to 60% by weight, polyether urethane polymer containing isocyanate groups with a monomeric diisocyanate content of at most 0.5% by weight.
- the moisture-curing polyurethane composition further contains at least one polyether with blocked hydroxyl groups, which is free of isocyanate groups, as a plasticizer.
- the hydroxyl groups of the polyether are blocked in particular in such a way that it does not undergo any chemical reactions before and during the curing of the polyurethane composition, ie it remains unchanged in the cured composition.
- the moisture-curing polyurethane composition contains blocked amines, such as, in particular, oxazolidines or aldimines
- the polyether with blocked hydroxyl groups is preferably free of acetoester groups.
- the polyether with blocked hydroxyl groups is preferably liquid at room temperature.
- the polyether with blocked hydroxyl groups preferably has a viscosity at 20 ° C. in the range from 30 to 5,000 mPas, more preferably 40 to 2,000 mPas, particularly preferably 50 to 1,000 mPas, in particular 50 to 500 mPas, on.
- the viscosity is determined using a cone-plate viscometer with a cone diameter of 25 mm, cone angle 1 °, cone tip-plate distance 0.05 mm at a shear rate of 10 s 1 .
- the blocked hydroxyl groups are preferably selected from ester, acetoester, carbonate, acetal and urethane groups. Ester, acetoester, carbonate or urethane groups are preferred. These groups are particularly easy to convert to hydroxyl groups, and they are particularly stable and compatible with polyether urethane polymers.
- Ester, carbonate or urethane groups are particularly preferred. These groups are also stable in compositions which contain blocked hydrolysis-releasable amines such as oxazolidines or aldimines and do not react with the amines released from them when the composition cures.
- ester groups especially acetate groups. These enable a particularly low viscosity and are easily accessible.
- An ester group in particular an ester group having 1 to 8 carbon atoms, in particular an acetate group or benzoate group, is particularly preferred. These are particularly easy to manufacture.
- a polyether with blocked hydroxyl groups in the form of acetate groups is particularly low-viscosity, very easy to manufacture and particularly inexpensive.
- a urethane group in particular a phenyl urethane group or a p-toluenesulfonyl urethane group, is also preferred.
- a polyether with such blocked hydroxyl groups has a manageable viscosity and is particularly easy to produce.
- An acetoacetate group is preferred as the acetoester group, but only if the composition is free of blocked amines which can be released by hydrolysis.
- a methyl carbonate group is preferred as the carbonate group.
- a 1,4-dimethyl-2-oxapentoxy group, a 2-oxa-cyclopentyloxy group or a 2-oxacyclohexyloxy group, in particular a 1,4-dimethyl-2-oxapentoxy group, is preferred as the acetal group.
- the polyether with blocked hydroxyl groups preferably has 1, 2-ethyleneoxy, 1, 2-propyleneoxy, 1, 3-propyleneoxy, 1, 2-butyleneoxy or 1, 4-butyleneoxy groups, in particular 1, 2-ethyleneoxy, 2-propyleneoxy groups.
- at least 70%, in particular at least 80%, of the repeating units consist of 1,2-propyleneoxy groups and optionally at most 30%, in particular at most 20%, of the repeating units consists of 1,2-ethyleneoxy groups.
- the repeating units particularly preferably consist of 100% 1,2-propyleneoxy groups. This enables polyurethane compositions with particularly good resistance to hydrolysis.
- the polyether with blocked hydroxyl groups is particularly preferably derived from a hydroxy-functional polyether with an average OH functionality in the range from 1 to 3, in particular 1 to 2.
- So-called polyoxypropylene monols are particularly suitable as hydroxy-functional polyethers with an OH functionality of 1.
- Preferred starters for polyoxypropylene monols are methanol, ethanol, propanol, isopropanol, butanol, isobuanol, tert. Butanol, pentanol, hexanol, 2-ethylhexanol, lauryl alcohol, myristyl alcohol, palmityl alcohol, allyl alcohol, cyclohexanol, benzyl alcohol or phenol, in particular methanol, ethanol or butanol, most preferably butanol.
- polyoxypropylene polyols are particularly suitable as hydroxy-functional polyethers with an OH functionality of> 1.
- Preferred starters for polyoxypropylene polyols are 1, 2-ethanediol, 1, 2-propanediol, 1, 3-propanediol, 1, 4-butanediol, trimethylolpropane, glycerol, pentaerythritol, 1, 2,3,4- Butane tetrol (threitol or erythritol), 1, 2,3,4, 5-pentane pentol (xylitol) or 1, 2,3,4,5,6-hexane hexol (mannitol or sorbitol), particularly preferably 1, 2-ethanediol, 1 , 2-propanediol, 1, 3-propanediol, 1, 4-butanediol, trimethylolpropane, or glycerol, in particular 1, 2-propanedio
- the polyether with blocked hydroxyl groups preferably has an average molecular weight M n in the range from 600 to 15 ⁇ 00 g / mol, particularly preferably 700 to 10 ⁇ 00 g / mol, more preferably 900 to 5 ⁇ 00 g / mol, in particular 900 to 2,500 g / mol mol, determined by means of gel permeation chromatography (GPC) against polystyrene as standard with tetrahydrofuran as the mobile phase, refractive index detector and evaluation from 200 g / mol.
- GPC gel permeation chromatography
- the polyether with blocked hydroxyl groups is derived from a butanol-started polyoxypropylene monol with an OH number in the range from 25 to 90 mg KOH / g, preferably in the range from 50 to 80 mg KOH / g. Moisture-curing polyurethane compositions with particularly good processability and particularly high cold flexibility are thus obtained.
- the blocked hydroxyl group is preferably an acetate group.
- the polyether with blocked hydroxyl groups is derived from a polyoxypropylene diol with an OH number in the range from 12 to 125 mg KOH / g, preferably in the range from 22 to 125 mg KOH / g, in particular in the range from 45 up to 125 mg KOH / g.
- the blocked hydroxyl groups are preferably acetate groups.
- the polyether with blocked hydroxyl groups is derived from a trimethylolpropane or, in particular, glycerol-started, optionally ethylene oxide-terminated polyoxypropylene triol with an average OH functionality in the range from 2.2 to 3 and an OH number in the range from 22 to 56 mg KOH / g.
- the polyether with blocked hydroxyl groups is obtained in particular by reacting at least one hydroxy-functional polyether with at least one suitable blocking agent for hydroxyl groups.
- the blocking agent is used at least stoichiometrically with respect to the hydroxyl groups.
- customary methods are used for the respective reactive groups, optionally with the use of catalysts or solvents. If cleavers occur during the blocking reaction, they are removed from the reaction mixture using a suitable method, in particular by means of distillation.
- Suitable blocking agents are nucleophilic compounds which enter into an addition or substitution reaction with hydroxyl groups.
- carboxylic acids particularly suitable are carboxylic acids, carboxylic acid chlorides, carboxylic esters or carboxylic anhydrides, diketene, 2,2,5-trimethyl-4H-1,3-dioxin-4-one, tert-butyl acetoacetate, dialkyl carbonates, monoisocyanates, (meth) acrylamides, methylene malonates or cyanoacrylates.
- Carboxylic acids, carboxylic acid chlorides, carboxylic acid esters or carboxylic acid anhydrides are preferred, blocked hydroxyl groups being formed in the form of ester groups.
- carboxylic acid anhydrides or carbonic acid esters, in particular acetic anhydride are preferred.
- acetic anhydride as a blocking agent, acetic acid is distilled off during the reaction, with blocked hydroxyl groups being formed in the form of acetate groups.
- diketene 2,2,5-trimethyl-4H-1, 3-dioxin-4-one or sterically hindered small acetoesters such as, in particular, tert-butyl acetoacetate, which form blocked hydroxyl groups in the form of acetoester groups.
- sterically hindered small acetoesters such as, in particular, tert-butyl acetoacetate, which form blocked hydroxyl groups in the form of acetoester groups.
- Dialkyl carbonates are also preferred, with blocked hydroxyl groups being formed in the form of carbonate groups.
- Monoisocyanates are also preferred, with blocked hydroxyl groups being formed in the form of urethane groups. Phenyl isocyanate or p-toluenesulfonyl isocyanate are preferred.
- hydroxy-functional polyethers are those with an OH functionality in the range from 1 to 3 and an average molecular weight M n in the range from 600 to 15 ⁇ 00 g / mol, particularly preferably 700 to 10 ⁇ 00 g / mol, more preferably 900 to 5 ⁇ 00 g / mol mol, in particular 900 to 2,500 g / mol.
- Polyoxypropylene monols with an OH number in the range from 25 to 90 mg KOH / g, preferably in the range from 50 to 80 mg KOH / g, in particular alcohol-started polyoxypropylene monols, in particular started from methanol, ethanol, are preferred.
- alkyl alcohol-started polyoxypropylene monols in particular started from methanol, ethanol or butanol.
- Butanol-started polyoxypropylene monols with an average molecular weight M n in the range from 650 to 2,000 g / mol, in particular 700 to 1,500 g / mol, are particularly preferred.
- Butanol-started Polyoxypropylene monols are commercially available, for example as
- polyoxypropylene diols with an OH number in the range from 12 to 125 mg KOH / g, preferably in the range from 22 to 125 mg KOH / g, in particular in the range from 45 to 125 mg KOH / g.
- the moisture-curing polyurethane composition preferably contains 5 to 40% by weight, in particular 5 to 35% by weight, of polyether with blocked hydroxyl groups. Such a composition has good processability and high ductility with high strength.
- the moisture-curing polyurethane composition can additionally contain further isocyanate group-containing polymers, in particular small proportions of conventionally produced isocyanate group-containing polymers with a higher content of monomeric diisocyanates.
- the moisture-curing polyurethane composition preferably additionally contains at least one further constituent selected from oligomeric isocyanates, catalysts and fillers.
- Suitable oligomers isocyanates are particularly HDI biurets such as Desmodur ® N 100 N or 3200 (from Covestro), Tolonate ® HDB or HDB-LV (from Venco- rex), or Duranate 24A-100 ® (by Asahi Kasei); HDI isocyanurates such as Desmo- dur ® N 3300, N 3600 or N 3790 BA (all from Covestro), Tolonate ® HDT, HDT-LV or HDT-LV2 (from Vencorex), Duranate ® TPA-100 or THA-100 (from asa- hi Kasei) or Coronate HX ® (from Nippon Polyurethane); HDI uretdiones as Desmodur ® N 3400 (from Covestro); HDI Iminooxadiazindiones as Desmodur ® XP 2410 (of Covestro); HDI-allophanates such as Desmodur ® VP LS 2102
- Suitable catalysts are catalysts for accelerating the reaction of isocyanate groups tion, especially organotin (IV) compounds such as in particular dibutyltin diacetate, dibutyltin dilaurate, dibutyltin dichloride, di butylzinndiacetylacetonat, dimethyltin diacetate, dioctyltin diacetate, dioctyltin dilaurate or Dioctylzinndiacetylacetonat, complex compounds of bismuth (III) or Zirconium (IV), in particular with ligands selected from alcoholates, carboxylates, 1, 3-diketonates, oxinate, 1, 3-ketoesterates and 1, 3-ketoamidates, or compounds containing tertiary amino groups, such as in particular 2,2'-dimorpholinodiethyl ether ( DMDEE).
- organotin (IV) compounds such as in particular dibutyltin diacetate
- Suitable fillers are in particular ground or precipitated calcium carbonates, which are optionally coated with fatty acids, in particular stearates, barites (heavy spades), quartz flours, quartz sands, dolomites, wollastonites, calcined kaolins, layered silicates such as mica or talc, zeolites, Aluminum hydroxides, magnesium hydroxides, silicas including highly disperse silicas from pyrolysis processes, cements, gypsum, fly ash, industrially produced russet, graphite, metal powder, for example of aluminum, copper, iron, silver or steel, PVC powder or hollow spheres ,
- Calcium carbonates which are optionally coated with fatty acids, in particular stearates, calcined kaolins or industrially produced carbon black are preferred.
- the moisture-curing polyurethane composition can contain other additives, in particular
- inorganic or organic pigments in particular titanium dioxide, chromium oxides or iron oxides;
- Fibers in particular glass fibers, carbon fibers, metal fibers, ceramic fibers, plastic fibers such as polyamide fibers or polyethylene fibers, or natural fibers such as wool, cellulose, hemp or sisal;
- nanofillers such as graphene or carbon nanotubes
- - dyes
- Drying agents in particular molecular sieve powder, calcium oxide, highly reactive isocyanates such as p-tosyl isocyanate, mono-oxazolidines such as Incozol ® 2 (from Incorez) or orthoformic acid esters;
- Adhesion promoters in particular organoalkoxysilanes, in particular epoxysilanes such as in particular 3-glycidoxypropyltrimethoxysilane or 3-glycidoxypropyltriethoxysilane, (meth) acrylosilanes, anhydridosilanes, carbamatosilanes, alkylsilanes or iminosilanes, or oligomeric forms of these silanes, or oligomeric forms;
- blocked amines in particular oxazolidines or aldimines, in particular di- or trialdimines;
- plasticizers in particular carboxylic acid esters such as phthalates, in particular diisononyl phthalate (DINP), diisodecyl phthalate (DIDP) or di (2-propylheptyl) phthalate (DPFIP), hydrogenated phthalates, in particular hydrogenated diisonyl phthalate or diisononyl-1,2 -cyclohexanedicarboxylate (DINCFI), terephthalates, especially bis (2-ethylhexyl) terephthalate or diisononyl terephthalate, hydrogenated terephthalates, especially hydrogenated bis (2-ethylhexyl) terephthalate or diisononyl terephthalate or bis (2-ethylhexyl) -1, 4-cyclohexanedicar boxylate, trimellitate, adipates, in particular dioctyl adipate, azelates, sebacates
- catalysts which accelerate the reaction of the isocyanate groups in particular salts, soaps or complexes of tin, zinc, bismuth, iron, aluminum, molybdenum, dioxomolybdenum, titanium, zirconium or potassium, in particular tin (II) -2-ethylhexanoate, Tin (ll) neodecanoate, zinc (ll) acetate, zinc (ll) -2-ethylhexanoate, zinc (ll) laurate, zinc (ll) acetylacetonate, aluminum lactate, aluminum oleate, diisopropoxytitanium bis (ethylacetoacetate) or potassium acetate;
- Compounds containing tertiary amino groups in particular N-ethyldiisopropylamine, N, N, N ', N'-tetramethylalkylenediamines, pentamethylalkylenetriamines and higher homologs thereof, bis- (
- DABCO 1, 8-diazabicyclo [5.4.0] undec-7-ene
- DBN 1, 5-diazabicyclo [4.3.0] - non-5-ene
- N-alkylmorpholines N, N'-dimethylpiperazine
- nitrogen-aromatic compounds such as 4-dimethylaminopyridine, N-methylimidazole, N-vinylimidazole or 1,2-dimethylimidazole
- organic ammonium compounds such as benzyl methyl ammonium hydroxide or alkoxylated tertiary amines; so-called “delayed action” catalysts, which represent modifications of known metal or amine catalysts;
- Layered silicates such as bentonites, derivatives of castor oil, hydrogenated castor oil, polyamides, polyamide waxes, polyurethanes, urea compounds, pyrogenic silicas, cellulose ethers or hydrophobically modified polyoxyethylene;
- - Solvents especially acetone, methyl acetate, tert-butyl acetate, 1-methoxy-2-propyl acetate, ethyl 3-ethoxypropionate, diisopropyl ether, diethylene glycol diethyl ether, ethylene glycol diethyl ether, ethylene glycol monobutyl ether, ethylene glycol mono-2-ethylhexyl ether, acetals such as propylal, butyl 2-ethylhexylal, dioxolane, glycerol formal or 2, 5,7,10-tetraoxaundecane (TOU), toluene,
- TOU 5,7,10-tetraoxaundecane
- non-reactive polymers in particular homo- or copolymers of unsaturated monomers, in particular from the group comprising ethylene, propylene, butylene, isobutylene, isoprene, vinyl acetate or alkyl (meth) acrylates, in particular polyethylenes (PE), Polypropylenes (PP), polyisobutylenes, ethylene vinyl acetate copolymers (EVA) or atactic poly-a-olefins (APAO);
- PE polyethylenes
- PP Polypropylenes
- EVA ethylene vinyl acetate copolymers
- APAO atactic poly-a-olefins
- flame-retardant substances in particular the fillers already mentioned, aluminum hydroxide or magnesium hydroxide, and in particular organic phosphoric acid esters, such as, in particular, triethyl phosphate, tricresyl phosphate, triphenyl phosphate, diphenylcresyl phosphate, isodecyl diphenyl phosphate, tris (1, 3-dichloro-2-propyl) phosphate -chloroethyl) phosphate, tris (2-ethylhe- xyl) phosphate, tris (chloroisopropyl) phosphate, tris (chloropropyl) phosphate, isopropylated triphenyl phosphate, mono-, bis- or tris (isopropylphenyl) phosphates of different degrees of isopropylation, resorcinol bis (diphenyl phosphate), bisphenol-A bis (diphenyl phosphate) or am
- Additives in particular wetting agents, leveling agents, defoamers, deaerators, stabilizers against oxidation, heat, light or UV radiation or biocides; or other substances commonly used in moisture-curing polyurethane compositions.
- the content of monomeric diisocyanants when the isocyanate group-containing polyether urethane polymer is mixed with other constituents of the composition, in particular fillers, may be further reduced by reaction with the moisture present.
- the moisture-curing polyurethane composition preferably contains
- oligomeric isocyanates catalysts, commercially available plasticizers, blocked amines or other polymers containing isocyanate groups.
- the moisture-curing polyurethane composition is produced in particular in the absence of moisture and is stored in moisture-tight containers at ambient temperature.
- a suitable moisture-tight container consists in particular of an optionally coated metal and / or plastic and in particular represents a barrel, a container, a hobbock, a bucket, a canister, a can, a bag, a tubular bag, a cartridge or a tube.
- the moisture-curing polyurethane composition can be in the form of a one-component or in the form of a multi-component, in particular two-component, composition.
- a “one-component” is a composition in which all components of the composition are in the same container and which as such is stable in storage.
- a “two-component” is a composition in which the components of the composition are in two different components, which are stored in separate containers and are only mixed with one another shortly before or during application of the composition.
- the moisture-curing polyurethane composition is preferably a one-component. With suitable packaging and storage, it is stable in storage, typically for several months to a year or longer.
- the process of curing begins with the application of the moisture-curing polyurethane composition.
- the result of this is the cured composition.
- a one-component composition it is applied as such and then begins to cure under the influence of moisture or water.
- an accelerator component which contains or releases water and / or a catalyst and / or a hardener can be added to the composition during application, or the composition can be mixed with such an accelerator component after application Be brought in contact.
- the isocyanate groups react with one another under the influence of moisture.
- the moisture-curing polyurethane composition contains a blocked amine
- the isocyanate groups also react with the hydrolyzing blocked amino groups.
- the entirety of these reactions of the isocyanate groups which lead to curing of the composition is also referred to as crosslinking.
- the moisture required to cure the moisture-curing polyurethane composition is preferably diffused into the composition from the air (air humidity).
- a solid layer of hardened composition (“skin”) forms on the surfaces of the composition that are in contact with air. Curing continues from the outside inwards along the direction of diffusion, the skin becoming increasingly thicker and finally comprising the entire composition applied.
- the moisture can additionally or completely also get into the composition from one or more substrate (s) to which the composition has been applied and / or originate from an accelerator component which is added to the composition during application or after Application is brought into contact with this, for example by brushing or spraying.
- the moisture-curing polyurethane composition is preferably applied at ambient temperature, in particular in the range from approximately -10 to 50 ° C., preferably in the range from -5 to 45 ° C., in particular 0 to 40 ° C.
- the moisture-curing polyurethane composition is also preferably cured at ambient temperature.
- the moisture-curing polyurethane composition has a long processing time (open time) and quick curing.
- the “open time” is the period of time during which the composition can be processed or reworked without loss of functionality after application.
- the open time refers in particular to the time span within which a bond must be added after its application in order to build up sufficient liability. With a one-component composition, the open time is exceeded at the latest when skin formation has occurred.
- the degree of polymer formation in the composition within a given period of time after application is referred to as the "curing rate", for example by determining the thickness of the skin formed.
- the moisture-curing polyurethane composition preferably has a tensile strength of at least 1 MPa, in particular at least 2 MPa, determined in accordance with DIN EN 53504 at a tensile speed of 200 mm / min, in particular as described in the examples.
- the moisture-curing polyurethane composition preferably also has an elongation at break of at least 300%, in particular at least 500%, determined in accordance with DIN EN 53504 at a tensile speed of 200 mm / min, in particular as described in the examples. ben.
- the moisture-curing polyurethane composition is preferably used as an elastic adhesive or elastic sealant or elastic coating.
- the moisture-curing polyurethane composition is particularly suitable for adhesive and sealing applications in the construction and manufacturing industry or in vehicle construction, in particular for parquet gluing, assembly, attachment part gluing, module gluing, window gluing, joint sealing, Body sealing, seam sealing or cavity sealing.
- Elastic bonds in vehicle construction are, for example, the gluing of parts such as plastic covers, decorative strips, flanges, bumpers, driver's cabins or other add-on parts to the painted body of a vehicle, or the gluing of panes into the body, the vehicles in particular representing automobiles, trucks, buses, rail vehicles or ships.
- the moisture-curing polyurethane composition is particularly suitable for the elastic sealing of joints, seams or cavities of all kinds, in particular of construction joints such as dilation joints or connecting joints between components, or of floor joints in civil engineering.
- a sealant with flexible properties and high cold flexibility is particularly suitable for sealing dilatation joints on buildings.
- the moisture-curing polyurethane composition is particularly suitable for protecting and / or sealing buildings or parts thereof, in particular for building icons, terraces, roofs, in particular flat roofs or slightly inclined roof areas or roof gardens, or inside buildings under tiles or ceramic tiles in Wet rooms or kitchens, or in drip pans, channels, shafts, silos, dances or wastewater treatment plants.
- It can also be used for repair purposes as a seal or coating, for example of leaky roof membranes or floor coverings that are no longer suitable, or as a repair compound for highly reactive spray seals.
- the moisture-curing polyurethane composition can be formulated in such a way that it has a pasty consistency with pseudoplastic properties.
- a composition is applied by means of a suitable device, for example from commercially available cartridges or barrels or hobbocks, for example in the form of a caterpillar, which can have an essentially round or triangular cross-sectional area.
- the moisture-curing polyurethane composition can also be formulated so that it is liquid and so-called self-leveling or only slightly thixotropic and can be poured out for application. As a coating, it can then, for example, be flat over the desired layer thickness distributed, for example by means of a roller, a slider, a trowel or a spatula.
- Suitable substrates which can be glued or sealed or coated with the moisture-curing polyurethane composition, are in particular
- PCC polymer-modified cement mortar
- ECC epoxy resin-modified cement mortar
- metals or alloys such as aluminum, copper, iron, steel, non-ferrous metals, including surface-coated metals or alloys such as galvanized or chromed metals;
- Plastics such as hard and soft PVC, polycarbonate, polystyrene, polyester, polyamide, PMMA, ABS, SAN, epoxy resins, phenolic resins, PUR, POM, TPO, PE, PP, EPM or EPDM, each untreated or surface-treated, for example by means of plasma , Corona or flames;
- CFRP carbon fiber reinforced plastics
- GTK glass fiber reinforced plastics
- SMC sheet molding compounds
- - Insulating foams in particular made of EPS, XPS, PUR, PIR, rock wool, glass wool or foamed glass (foam glass);
- lacquered substrates in particular lacquered tiles, painted concrete, powder-coated metals or alloys or lacquered sheets;
- the substrates can be pretreated before application, in particular by physical and / or chemical cleaning processes or by applying an activator or a primer.
- Two identical or two different substrates can be glued and / or sealed.
- Another object of the invention is a method for gluing or sealing, comprising the steps
- Another object of the invention is a method for coating or sealing, comprising the steps
- an article is obtained which is glued or sealed or coated with the composition.
- This article can be a building or a part thereof, in particular a building of the underground or civil engineering, a bridge, a roof, a staircase or a facade, or it can be an industrial good or a consumer good, in particular a window, a pipe, a rotor blade of a wind turbine, a fluff holding machine or a means of transport such as in particular an automobile Bus, a truck, a rail vehicle, a ship, an airplane or a helicopter, or an attachment part thereof.
- Another object of the invention is therefore an article obtained from the described method for gluing or sealing or from the described method for coating or sealing.
- the moisture-curing polyurethane composition has advantageous properties. Due to the low content of monomeric diisocyanates, it is safe to use even without special protective measures and does not require any hazard labeling with regard to monomeric diisocyanates, is very stable in storage to the exclusion of moisture, can be applied very well and has a long life Processing time (open time) with surprisingly fast curing. The result is an elastic material of surprisingly high tensile strength with high ductility, with high cold flexibility, good adhesion properties and high stability against heat and moisture.
- NK standard climate
- the viscosity was measured with a thermostatted Rheotec RC30 cone-plate viscometer (cone diameter 25 mm, cone angle 1 °, cone tip-plate distance 0.05 mm, shear rate 10 s _1 ).
- FT-IR Infrared spectra
- the viscosity was measured using a thermostatted Rheotec RC30 cone-plate viscometer (cone diameter 50 mm, cone angle 1 °, cone tip-plate distance 0.05 mm, shear rate 10 s -1 ).
- the monomeric diisocyanate content was determined by means of HPLC (detection via photodiode array; 0.04 M sodium acetate / acetonitrile as mobile phase) after prior derivation using N-propyl-4-nitrobenzylamine.
- Desmophen ® 5031 BT glycerin-started ethylene oxide-terminated polyoxypropylene triol, OH number 28.0 mg KOH / g, OH functionality approx. 2.3; from Covestro
- 275 g 4,4'-diphenylmethane diisocyanate (Desmodur ® 44 MC L, from Covestro) were, according to a known method, at 80 ° C. to a polyether urethane polymer with an NCO content of 7.6% by weight, a viscosity of 6.5 Pa s at 20 ° C. and a content of monomeric 4, 4'-Diphenylmethane diisocyanate of about 20% by weight implemented.
- the volatile constituents in particular a large part of the monomeric 4,4'-diphenylmethane diisocyanate, were then removed by distillation in a short path evaporator (jacket temperature 180 ° C., pressure 0.1 to 0.005 mbar, condensation temperature 47 ° C.).
- the polyether urethane polymer thus obtained had an NCO content of 1.7% by weight, a viscosity of 19 Pa-s at 20 ° C and a content of monomeric 4,4'-diphenylmethane diisocyanate of 0.04% by weight.
- Polymer P2 Polymer P2:
- the volatile constituents in particular a large part of the monomeric 4,4'-diphenylmethane diisocyanate, were then removed by distillation in a short path evaporator (jacket temperature 180 ° C., pressure 0.1 to 0.005 mbar, condensation temperature 47 ° C.).
- the polyether urethane polymer thus obtained had an NCO content of 1.8% by weight, a viscosity of 15.2 Pa-s at 20 ° C and a content of monomeric 4,4'-diphenylmethane diisocyanate of 0.08% by weight.
- Desmophen ® 5031 BT glycerin-started ethylene oxide-terminated polyoxypropylene triol, OH number 28.0 mg KOH / g, from Covestro
- 300.0 g Acclaim ® 4200 polyoxypropylene diol, OH number 28.0 mg KOH / g from Covestro
- 75.5 g of compound V-1 and 78.8 g of 4,4'-diphenylmethane diisocyanate (Desmodur ® 44 MC L, of Covestro) were according to a known method at 80 ° C is converted.
- the polyether urethane polymer thus obtained had an NCO content of 1.65% by weight, a viscosity of 67.1 Pa-s at 20 ° C and a content of monomeric 4,4'-diphenylmethane diisocyanate of 2.1% by weight.
- Polymer P4 was prepared as described for polymer P3, but instead of compound V-1 the same amount of compound V-2 was used.
- the polyether urethane polymer thus obtained had an NCO content of 1.68% by weight, a viscosity of 56.8 Pa-s at 20 ° C and a content of monomeric 4,4'-diphenylmethane diisocyanate of 2.0% by weight.
- Polymer P5 was prepared as described for polymer P3, but instead of compound V-1 the same amount of compound V-3 was used.
- the polyether urethane polymer thus obtained had an NCO content of 1.68% by weight, a viscosity of 67.8 Pa s at 20 ° C and a content of monomeric 4,4'-diphenylmethane diisocyanate of 2.0% by weight.
- Moisture-curing polyurethane compositions are:
- compositions Z1 to Z7 are Compositions Z1 to Z7:
- the viscosity of the composition after storage was determined as a measure of the storage stability by storing a sealed cartridge for 1 day at room temperature or for 7 days in a forced air oven at 60 ° C. and then the viscosity with a thermostatted cone-plate viscometer Rheotec RC30 (Taper diameter 25 mm, taper angle 1 °, taper tip-plate distance 0.05 mm, shear rate 10 s _1 ) was measured. The results are marked with "1d RT” or "7d 60 ° C”.
- the skin formation time was determined as a measure of the processing time (open time). For this purpose, a few grams of the composition were applied to cardboard in a layer thickness of approx. 2 mm and the time was determined in the standard atmosphere until, for the first time, no residues remained on the pipette when the surface of the composition was lightly tapped using a pipette made of LDPE.
- the curing was determined after 24 h in a standard atmosphere.
- the composition was applied as a free-standing cone of 3 cm in diameter, left to stand in a standard atmosphere and cut open transversely after 24 h and the layer thickness of the hardened polymer ring formed was measured.
- each composition was pressed between two wax-coated transfer printing papers to a film of 2 mm thickness and stored in a standard atmosphere for 7 days. After removing the wax papers, a few dumbbells with a length of 75 mm with a web length of 30 mm and a web width of 4 mm were punched out of the film.
- the tensile strength, the elongation at break and the modulus of elasticity at 0.5-5% and 0.5-50% elongation were determined in accordance with DIN EN 53504 at a tensile speed of 200 mm / min. These results are marked with the addition "7d NK".
- other punched dumbbells were stored in a forced air oven at 100 ° C for 7 days or at 70 ° C / 100% relative humidity for 7 days, cooled in a standard atmosphere and tested for tensile strength, elongation at break and elasticity in the manner already described. Module 5% and 50% checked. These results are marked with the addition "7d 100 ° C 'or" 7d 70/100 ".
- the tensile shear strength (“ZSF”) on glass was determined to determine the strength of an adhesive connection.
- composite bodies were produced by gluing two glass plates degreased with isopropanol and pretreated with Sika ® Primer 207 (from Sika Switzerland) in such a way that the overlapping adhesive connection had a dimension of 12 x 25 mm and a thickness of 4 mm and the glass plates protruding at the head ends. After the composite bodies had been stored for 7 days in a standard climate, the tensile shear strength was tested in accordance with DIN EN 1465 at a tensile speed of 20 mm / min.
- the Shore A hardness was determined according to DIN 53505 on test specimens hardened for 7 days in a standard atmosphere.
- the complex modulus of elasticity M * was determined by means of DMTA measurement on strip-shaped samples (height 2-3 mm, width 2-3 mm, length 8.5 mm), which had been stored or cured for 7 days in a standard atmosphere, using a DMA / SDTA 861 e device.
- the measurement conditions were: measurement in train mode, 10 Hz excitation frequency and heating rate 5 K / min.
- the samples were cooled to -70 ° C and heated to 100 ° C while determining M * .
- Table 1 shows M * at -20 ° C, -10 ° C, 0 ° C, 10 ° C and 20 ° C.
- a low value for the ratio M * (- 20 ° C) / M * (20 ° C) is a measure of a good one Temperature independence of the elasticity module and high flexibility at low temperatures.
- compositions Z2, Z3 and Z4 are examples according to the invention.
- the compositions Z1 and Z5 to Z7 are comparative examples and are provided with the addition “(Ref.)”.
- Comparative example Z1 contains a commercially available plasticizer from the prior art and comparative examples Z5 to Z7 each contain a conventionally produced isocyanate group-containing polymer with a high content of monomeric diisocyanate.
- Table 1 Composition (in parts by weight) from Z1 to Z7.
- compositions Z2, Z3 and Z4 according to the invention cure faster with the same open time (skin formation time) (thicker cured skin after 24 hours), both in comparison to the reference composition Z1 with a typical plasticizer from the State of the art and low content of monomeric diisocyanates, as also in comparison to the reference compositions Z5, Z6 and Z7 with a high content of monomeric diisocyanates.
- compositions Z2, Z3 and Z4 according to the invention have a significantly higher tensile strength than the respective reference compositions, with a consistently high to slightly higher elongation at break and similar properties with regard to shore hardness, adhesion and resistance to drier and damp heat.
- compositions Z2 and Z3 according to the invention show a significantly improved cold flexibility in comparison to the reference composition Z1, while the composition Z4 according to the invention with the very high molecular weight polyether with blocked hydroxyl groups shows a similar cold flexibility.
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- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
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Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP18187903 | 2018-08-08 | ||
| PCT/EP2019/071049 WO2020030606A1 (de) | 2018-08-08 | 2019-08-05 | Polyurethanzusammensetzung mit polymerem weichmacher und niedrigem gehalt an monomeren diisocyanaten |
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| Publication Number | Publication Date |
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| EP3833700A1 true EP3833700A1 (de) | 2021-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| EP19746105.6A Pending EP3833700A1 (de) | 2018-08-08 | 2019-08-05 | Polyurethanzusammensetzung mit polymerem weichmacher und niedrigem gehalt an monomeren diisocyanaten |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US12129377B2 (de) |
| EP (1) | EP3833700A1 (de) |
| JP (1) | JP7437380B2 (de) |
| CN (1) | CN112533973B (de) |
| CA (1) | CA3106756A1 (de) |
| WO (1) | WO2020030606A1 (de) |
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| EP3880728B1 (de) * | 2018-11-14 | 2024-10-30 | Sika Technology AG | Haftverbund zwischen thermoplastischem kunststoff und elastomer-zusammensetzung |
| EP4165099B1 (de) * | 2020-06-12 | 2024-04-24 | Sika Technology AG | Polyurethanzusammensetzung mit verbesserter haftung auf lackierten oberflächen |
| CN112745657B (zh) * | 2021-01-26 | 2021-11-30 | 福州大学 | 一种止滑热塑性聚氨酯复合材料及其制备方法 |
| CN113119537A (zh) * | 2021-04-25 | 2021-07-16 | 艾利特控股集团有限公司 | 一种复合面料及其制备方法 |
| CN118317989A (zh) * | 2021-12-21 | 2024-07-09 | Sika技术股份公司 | 可注射的导热可固化组合物 |
| EP4551632A1 (de) * | 2022-07-04 | 2025-05-14 | Sika Technology AG | Reaktiver schmelzklebstoff mit niedrigem gehalt an monomeren diisocyanaten |
| TWI804396B (zh) * | 2022-07-22 | 2023-06-01 | 長興材料工業股份有限公司 | 流掛控制劑及含彼之塗料組合物 |
| GB202317086D0 (en) * | 2023-11-07 | 2023-12-20 | Sylmasta Ltd | Bandages |
| CN119081046B (zh) * | 2024-09-30 | 2025-05-02 | 河南中部建设工程有限公司 | 一种修复沥青路面裂缝的聚氨酯复合材料 |
| CN119799263A (zh) * | 2025-01-02 | 2025-04-11 | 万华化学(北京)有限公司 | 一种双组分聚氨酯胶黏剂组合物及制备方法和应用 |
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| JPS59109553A (ja) | 1982-12-14 | 1984-06-25 | Sanyo Chem Ind Ltd | 重合体組成物 |
| CA1338943C (en) * | 1987-12-28 | 1997-02-25 | Sadao Yukimoto | Curable composition of oxyalkylene polymer |
| US4847319A (en) * | 1988-05-23 | 1989-07-11 | The B. F. Goodrich Company | Sealant compositions or coating mixtures containing functional silane or siloxane adhesion promotors nonreactive with blocked isocyanates |
| JP3500700B2 (ja) * | 1994-05-31 | 2004-02-23 | 旭硝子株式会社 | 非フォーム状ポリウレタン樹脂の製造方法 |
| CN1118500C (zh) * | 1998-04-08 | 2003-08-20 | 旭化成株式会社 | 聚异氰酸酯及其制备方法 |
| JP3868124B2 (ja) * | 1998-08-25 | 2007-01-17 | 横浜ゴム株式会社 | 湿気硬化性ウレタン組成物 |
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| US6632875B2 (en) * | 2001-03-15 | 2003-10-14 | Bayer Polymers Llc | Polyurethane-forming composition with adjustable mix viscosity, geotextile composites prepared therefrom and a process for producing such composites |
| DE102005035000A1 (de) | 2005-07-22 | 2007-01-25 | Basf Ag | Isocyanatgruppen enthaltende Prepolymere |
| US7345130B2 (en) * | 2005-10-25 | 2008-03-18 | Dow Global Technologies Inc. | Silane functional prepolymer and isocyanate functional prepolymer blend based adhesive composition |
| EP1834971A1 (de) * | 2006-03-13 | 2007-09-19 | Sika Technology AG | Feuchtigkeitshärtende Polyurethanzusammensetzung mit gutem Tieftemperaturverhalten |
| JP4959374B2 (ja) | 2007-02-28 | 2012-06-20 | オート化学工業株式会社 | 硬化性組成物 |
| US20090155462A1 (en) * | 2007-12-18 | 2009-06-18 | Carmen Flosbach | Thermal curable polyester powder coating composition |
| JP5439789B2 (ja) | 2008-10-08 | 2014-03-12 | オート化学工業株式会社 | 湿気硬化性組成物 |
| CN102690626B (zh) * | 2012-05-29 | 2013-09-18 | 苏州中材非金属矿工业设计研究院有限公司 | 一种湿气快速固化的单组份聚氨酯密封胶及其制备方法 |
| CN102676039B (zh) * | 2012-05-29 | 2014-01-22 | 苏州中材非金属矿工业设计研究院有限公司 | 一种湿固化单组份聚氨酯涂料及其制备方法 |
| CN107502273B (zh) * | 2017-08-31 | 2021-01-29 | 瑞安市隆联新材料有限公司 | 一种无溶剂双固化聚氨酯粘合剂的制备 |
| US12240960B2 (en) * | 2018-11-14 | 2025-03-04 | Sika Technology Ag | Thixotropic agent for curable compositions |
-
2019
- 2019-08-05 EP EP19746105.6A patent/EP3833700A1/de active Pending
- 2019-08-05 WO PCT/EP2019/071049 patent/WO2020030606A1/de not_active Ceased
- 2019-08-05 CN CN201980052337.8A patent/CN112533973B/zh active Active
- 2019-08-05 US US17/263,323 patent/US12129377B2/en active Active
- 2019-08-05 JP JP2021504824A patent/JP7437380B2/ja active Active
- 2019-08-05 CA CA3106756A patent/CA3106756A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP2021533221A (ja) | 2021-12-02 |
| US12129377B2 (en) | 2024-10-29 |
| JP7437380B2 (ja) | 2024-02-22 |
| WO2020030606A1 (de) | 2020-02-13 |
| CN112533973A (zh) | 2021-03-19 |
| CN112533973B (zh) | 2023-03-10 |
| CA3106756A1 (en) | 2020-02-13 |
| US20210147674A1 (en) | 2021-05-20 |
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